Earth

Do UFOs exist?

How long can humans survive on earth? This is a question that many of us want to know, and i believe that we do not want to wake up to a "Purgatory" Like venus, and hope that the earth can remain alive forever, so that we humans can continue and our generations can survive on earth forever. If the earth's environment were to change drastically and become an extremely hot planet like venus or mercury, then naturally everything in the world, including humans, would not be able to exist.

Earth is the only home we have in the universe and the only planet we know of so far that has life on it, and because of this, we usually think of it as a perfect planet.

The earth was born more than 4 billion years ago, when it was very different from the earth of today, one of which is that the environment of cosmic space is more different.

If humans evolved from the forest archaeopteryx, how did the forest archaeopteryx emerge?

What exactly is the Loch Ness Monster?

For humans, the universe is too dimensional for us to see the details of its depths for the time being

In the Arctic Siberian region, there is a huge crater called "the mouth of hell"

The earth's water resistance comes from the high temperature, pressure and density of its interior

The seven stars in a row are Saturn, Neptune, Jupiter, Mars, Uranus, Venus and Mercury in the solar system.